/Engine/Source/Editor/Sequencer/Public/IKeyArea.h
Get all key times that exist within the given time range
void GetKeyTimes ( [TArray](API\Runtime\Core\Containers\TArray)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & OutTimes, const [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & WithinRange ) const